|Year|Single|Peak chart positions US|Peak chart positions US R&B|Peak chart positions US A/C|Peak chart positions UK|
|---|---|---|---|---|---|
|1978|"I'm Coming Home Again"|—|54|—|—|
|1979|"Am I Too Late"|—|45|—|—|
|1981|"When a Child Is Born" (with Johnny Mathis)|—|—|—|74|
|1985|"That's What Friends Are For" (with Dionne Warwick, Elton John & Stevie Wonder)|1|1|1|16|
|1986|"Loving on Borrowed Time (Love Theme from Cobra)" (with Bill Medley)|—|—|16|—|
|1989|"Licence to Kill"|—|69|18|6|
|1990|"If I Knew Then What I Know Now" (with Kenny Rogers)|—|—|10|—|
|1991|"Men"|—|2|—|—|
|1991|"Superwoman" (with Dionne Warwick & Patti LaBelle)|—|19|—|—|
|1991|"Meet Me in the Middle"|—|78|—|—|
|1992|"Where Would I Be"|—|66|—|—|
|1994|"I Don't Want to Know"|113|32|—|—|
|1994|"End of the Road Medley"|—|76|—|—|
|1995|"Next Time"|—|30|—|—|
|1996|"Missing You" (with Brandy, Tamia & Chaka Khan)|25|10|30|—|
|2010|"Settle"|—|—|—|—|
|2011|"I (Who Have Nothing)"|—|—|—|—|

Question: what year was the single, "superwoman", released
Answer: 1991